diff --git a/src/main/java/fr/ynerant/leveleditor/frame/MainFrame.java b/src/main/java/fr/ynerant/leveleditor/frame/MainFrame.java
index b1e26a5..8464484 100644
--- a/src/main/java/fr/ynerant/leveleditor/frame/MainFrame.java
+++ b/src/main/java/fr/ynerant/leveleditor/frame/MainFrame.java
@@ -1,18 +1,12 @@
 package fr.ynerant.leveleditor.frame;
 
-import fr.ynerant.leveleditor.api.editor.EditorAPI;
 import fr.ynerant.leveleditor.client.main.Main;
-import fr.ynerant.leveleditor.editor.EditorFrame;
 import fr.ynerant.leveleditor.frame.listeners.ChangeLAFListener;
 import fr.ynerant.leveleditor.frame.listeners.CreateMapListener;
 import fr.ynerant.leveleditor.frame.listeners.OpenMapListener;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.core.Logger;
 
 import javax.swing.*;
 import java.awt.*;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 import java.awt.event.KeyEvent;
 
 /**
@@ -34,13 +28,6 @@ public class MainFrame extends JFrame {
      */
     private static MainFrame INSTANCE;
 
-    /**
-     * Logger de la classe
-     *
-     * @see LogManager#getLogger(String)
-     */
-    private static final Logger LOGGER = (Logger) LogManager.getLogger("MainFrame");
-
     /**
      * Constructeur
      *
@@ -49,7 +36,7 @@ public class MainFrame extends JFrame {
     @SuppressWarnings("JavadocReference")
     private MainFrame() {
         super();
-        LOGGER.info("Initialisation de la fen\u00eatre");
+        System.out.println("Initialisation de la fen\u00eatre");
         this.setTitle("Level Editor");
         this.setPreferredSize(new Dimension(1000, 800));
         this.setSize(800, 700);
@@ -92,12 +79,9 @@ public class MainFrame extends JFrame {
         this.setJMenuBar(menuBar);
 
         JButton start = new JButton("Commencer la partie !");
-        start.addActionListener(new ActionListener() {
-            @Override
-            public void actionPerformed(ActionEvent actionEvent) {
-                if (Main.launchGameMode())
-                    getInstance().dispose();
-            }
+        start.addActionListener(actionEvent -> {
+            if (Main.launchGameMode())
+                getInstance().dispose();
         });
         this.setContentPane(start);
     }
diff --git a/src/main/java/fr/ynerant/leveleditor/game/GameFrame.java b/src/main/java/fr/ynerant/leveleditor/game/GameFrame.java
index c4efaea..a4ed1ee 100644
--- a/src/main/java/fr/ynerant/leveleditor/game/GameFrame.java
+++ b/src/main/java/fr/ynerant/leveleditor/game/GameFrame.java
@@ -27,15 +27,17 @@ public class GameFrame extends JFrame {
     private int round = 0;
     private int hp = 5;
     private int reward = 20;
-    private List<Mob> mobs = new ArrayList<>();
-    private List<Tower> towers = new ArrayList<>();
+    private final List<Mob> mobs = new ArrayList<>();
+    private final List<Tower> towers = new ArrayList<>();
 
-    private JRadioButton basicTower, nullTower, autoTower;
-    private JLabel waveLabel;
-    private JLabel nbMobsLabel;
-    private JLabel hpLabel;
-    private JLabel rewardLabel;
-    private JLabel winLabel;
+    private final JRadioButton basicTower;
+    private final JRadioButton nullTower;
+    private final JRadioButton autoTower;
+    private final JLabel waveLabel;
+    private final JLabel nbMobsLabel;
+    private final JLabel hpLabel;
+    private final JLabel rewardLabel;
+    private final JLabel winLabel;
 
     public GameFrame(RawMap map) {
         super("Jeu");
diff --git a/src/main/java/fr/ynerant/leveleditor/game/towers/Tower.java b/src/main/java/fr/ynerant/leveleditor/game/towers/Tower.java
index 985e23d..619bf5d 100644
--- a/src/main/java/fr/ynerant/leveleditor/game/towers/Tower.java
+++ b/src/main/java/fr/ynerant/leveleditor/game/towers/Tower.java
@@ -9,7 +9,7 @@ import java.util.Collection;
 import java.util.Random;
 
 public abstract class Tower {
-    private Sprite sprite;
+    private final Sprite sprite;
     private final int x;
     private final int y;
     private long remainingTicks;
diff --git a/src/test/java/fr/ynerant/leveleditor/AppTest.java b/src/test/java/fr/ynerant/leveleditor/AppTest.java
deleted file mode 100644
index 6af0af5..0000000
--- a/src/test/java/fr/ynerant/leveleditor/AppTest.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package fr.ynerant.leveleditor;
-
-import junit.framework.Test;
-import junit.framework.TestCase;
-import junit.framework.TestSuite;
-
-/**
- * Unit test for simple App.
- */
-public class AppTest extends TestCase {
-    /**
-     * Create the test case
-     *
-     * @param testName name of the test case
-     */
-    public AppTest(String testName) {
-        super(testName);
-    }
-
-    /**
-     * @return the suite of tests being tested
-     */
-    public static Test suite() {
-        return new TestSuite(AppTest.class);
-    }
-
-    /**
-     * Rigourous Test :-)
-     */
-    public void testApp() {
-        assertTrue(true);
-    }
-}